# Questions tagged [commutative-diagrams]

Questions regarding the creation of commutative diagrams. Use this tag if you can't find a more specific tag for one of these packages: https://www.ctan.org/topic/diagram-comm

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### 3D perspective mode using xy package

Starting from this code where I have used xy package: \documentclass[a4paper,12pt]{article} \usepackage{amssymb} \usepackage[all,cmtip]{xy} \begin{document} \xymatrix@!0{ & \alpha \ar@{-}[rr]\ar@{...
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### How can we change the positions of the labels on a Tikz-cd commutative diagram?

With this code \begin{tabular}{cc} \begin{tikzcd} & B \arrow{dr}{g} \\ A \arrow{ur}{f} \arrow{rr}{h} && C \end{tikzcd} & ...
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### Arrows between tensor products

An arrow between tensor products $A\otimes B\to C\otimes D$ is determined by its components $A\to C$ and $B\to D$. Hence it seems natural to represent such an arrow by a pair of arrows. My question ...
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### How to draw commutative diagram? [duplicate]

I'm a Latex beginner, could you please help me to draw these diagrams? Thank you very much!
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### Drawing curves without arrows using xy-pic

Could you tell me how to remove the arrows of the curves using xy-pic? I didn't find the solution in xy-guide. Thanks advance for your help.
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### Add new node outside of polygonal commutative diagram

My code so far is \begin{center} \begin{tikzpicture} [ border rotated/.style = {shape border rotate=180} ] \node[ regular polygon, regular polygon sides=5, ...
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### Crossing over method with xy package for one or more arrows

Related on this question, considering the original image, adding my MWE: \documentclass[a4paper,12pt]{article} \usepackage[all]{xy} \begin{document} \xymatrix@R=2pc@C=2.8pc{ & b' \ar@{~>}[ddl]|...
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### Can a tikzcd arrow be replaced with another symbol? [duplicate]

I'd like to put other symbols than arrows, e.g. a + sign, between the nodes of a tikzcd diagram. Is this possible?
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### commutative diagram in special shape [duplicate]

I wish to draw the following diagram, but I do not know how to draw it correctly, may you please help me
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### How to improve the following codes to get the following diagram in Latex?

I want to get the above diagram in Latex, but I don't know how to edit it. Any help will be appreciated. I post my effort in the following way. \documentclass{article} \usepackage[all]{xy} \begin{...
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### Problem with a long commutative diagram

Trying to draw this commutative diagram: I have been able to draw the right part: \begin{tikzcd} & (U_i\cap U_j)\times\mathbb{C}^n \arrow[dd,"id\times g_{ij}=\varphi_j\circ\varphi_i^{-1}"] \\ \...
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### Two long exact sequences

I want to write a commutative diagram consisting of two long exact sequences with maps between them. I wrote the following code but it could not compile. Please help. \documentclass[12pt]{article} \...
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### Length vertical arrow in commutative diagram

Consider the following code for a commutative diagram \begin{tikzcd}[column sep=50pt] A \arrow{d}\arrow{r} & B \arrow[leftarrow]{dl}\\ C \end{tikzcd} I have been able to make the right arrow ...
496 views

### Labelling a dotted arrow in tikz

I wrote the following code, trying to get a commuting triangle with one of the arrows being dotted. \begin{tikzcd}[column sep=1.5em] S \ar{dr}{f} \ar{rr}{m} && Y\arrow[dl,dotted]{g} \\ &...
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### Equalizer diagram equipped with other arrows

I am trying to draw this diagram and can't get slopped arrows right.
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### Open triangle arrow in TikZcd

I'm trying to make a diagram in tikz-cd with an arrow of the open triangle form (in stmaryrd it would be \rightarrowtriangle). If I write something like A\arrow[rightarrowtriangle]{r}{e} &B I get ...
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### How do I center an object inside Tikzcd right triangle?

So I have the following Tikzcd diagram and I am trying to place a Y in the center of the triangle W, (X x Y), X or the triangle W, (X x Y), (X x Y) x Z \begin{equation*} \begin{tikzcd}[column sep=...
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### xymatrix and commutative diagram

Using xymatrix to get a commutative diagram $X=X$, I want to make the morphism identify as =, not \xymatrix {X\ar[r]^{id}X}. How can I get this?
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### Commutative diagram for Hopf Algebra

I'd like to reproduce the following diagram: I've seen there are code for similar exagons on this website but I'm not that good with tikz to generalise them and add the central line.. Thank you!
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### Inner circle, How to draw it using tikz cd?

\begin{center} \begin{tikzpicture} \node (E) at (0,0) {$E|_U:=\pi^{-1}(U)$}; \node[right=of E] (F) {$U\times F$}; \draw[->] (E)--(F) node [midway,above] (phi) {$\Phi$}; \node[below= 1cm of phi] (...
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### Adding arrow between two parts of tikzcd diagram

I have the following tikzcd diagram, where I am trying to create an a line between the nodes B and A/I. I tried using two phantom nodes and join an arrow between them, but nothing shows up except a ...
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### Drawing commutative diagram with encircled nodes in tikz-cd package

I currently have, the following two commutative diagrams for the second and third ring isomorphism theorems: Second Isomorphism \documentclass{article} \usepackage{tikz} \usetikzlibrary{shapes,fit} \...
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### Drawing a double rectangular commutative diagram in latex

Here is the diagram I want to draw: Could anyone tell me how can I draw it? and also I want some of the arrows to be forward and backward above each other.
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### Increase distance between a formula and the arrow and to change the tip/arc of the hook arrow

My question is the following: for exercise I was drawing the 2nd figure of this question using xy package and I have found some difficulties that I have marked with the red rectangles: How can I ...
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### Tikzcd "Crossing Over" Background Color?

I'm making a Tikzcd diagram but I wanted to add color to the background of my document like so: However, there's clearly an issue with the middle diagram. In the middle diagram, I wanted to make ...
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### How to draw arrow outside of a diagram

I'm trying to draw this diagram I tried this \begin{tikzcd} A \arrow{r} \arrow[swap]{d} \arrow[bend left]{dr}& B \arrow{d} \\ C \arrow{r} & D \end{tikzcd} but what I get is
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### center text over arrow in a diagram

I have this diagram, but a and c are not over the center of arrow and I want a and c over the center of arrow. How can I do it? \xymatrix{X \ar[r]^{a} \ar@/_2pc/[rr]_{b} & Y \ar[r]^{c} & Z}
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### Tikz-cd arrow bending and loop for indicating that portion of diagram commutes

I am trying to get the arrow from $R$ to $R[x]$ to cooperate with me and go alongside the LHS of the picture. Here is my MWE: \begin{tikzcd} & R \arrow[d, "f"] \arrow[ld, "\phi"', hook'] \...
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### Downward Rightarrow for natural transformation, tikzcd

I am pretty sure this is out there on this site, but I did not find it after searching. How to draw a downward \Rightarrow in a commutative tikzcddiagram?
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### Commutative diagrams with very round arrows?

I have a diagram that has only objects in (1,1), (1,2) and (2,1). I would like an arrow that goes from (2,1) to (1.2) going around (1.1). I do succeed in curving the arrow, but not to make it round ...
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### Categorical coproduct diagram

I would like something exactly like Categorical product in tikz? but with the arrows turned in the opposite direction. I'm completely lost as I've never drawn a diagram like these before in LaTeX ...
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### How to control the direction of a hook arrow in diagxy?

I'm converting some diagrams from tikz-cd to diagxy and am having problems with hook arrow for inclusion maps. With tikz-cd the hook gets reversed on a right-to-left arrow, but I can restore it by ...
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I have made the following diagram \documentclass[24pt]{beamer} \usepackage[matrix,arrow]{xy} \usepackage{amssymb,amscd,amsthm,amsmath} \begin{document} \begin{frame} \xymatrix{ & & ...
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### Unsure of how to create a particular diagram for slice/coslice categories

I'm using Tikz-cd and trying to follow this http://www.jmilne.org/not/Mtikz.pdf but I can't seem to get a diagram like this (taken from Algebra Chapter 0 by Aluffi) The diagram I'm most concerned ...
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### Blank arrows in \CD environment

I am working on a DAG/diagram that should ultimately look like two squares sharing one corner. I am having troubles progressing the code to the last two lines starting with '%': \$\CD (0,0) @ ...
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### Numbering commutative diagrams

Is there a nice way to number commutative diagrams (like equations) ? When using tikz-cd I put a figure environment around it, and then there is no number anywhere. I can also use \begin{align} \...